312-39 Incident Detection And Triage Practice Question
An analyst is investigating an alert regarding an outbound connection to a known malicious IP. Which step should be taken first according to standard triage procedures?
Answer choices
Why each option matters
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Verify if the connection was successful or blocked by the firewall.
Verifying if the connection was successful is essential to confirm if a threat exists.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
Isolate the host immediately.
Why it's wrong here
Isolation is a response action, not a triage step.
- ✓
Verify if the connection was successful or blocked by the firewall.
Why this is correct
If blocked, the alert is likely a low-priority 'attempted' event.
- ✗
Reimage the affected workstation.
Why it's wrong here
This is a remediation step, not triage.
- ✗
Contact the user's manager.
Why it's wrong here
This is an administrative escalation step.
About these practice questions
Courseiva writes every 312-39 question from scratch — 201 in total, each with an explanation and a wrong-answer breakdown. None are copied from real exams or dumps. Learn why practice questions differ from exam dumps →
JA
Written and reviewed by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
Last reviewed August 2026 · checked against the official EC-Council exam blueprint
This 312-39 practice question is part of Courseiva's free EC-Council certification practice question bank. Courseiva provides original exam-style practice questions with explanations, topic-based practice, mock exams, readiness tracking, and study analytics to help learners prepare for the 312-39 exam.